360 Swap - Making it all fit nice - JeepForum.com
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post #1 of 32 Old 12-09-2019, 10:28 AM Thread Starter
ElvisDaDog
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Talking 360 Swap - Making it all fit nice

All,
Background:
  • I have a 1980 CJ7 with the 258, T176 and Dana 300
  • No body lift, 3" OME Suspension
  • Swapping in a 360
  • Will run an alternator and power steering pump
  • At the same time I'll be switching over to an AX15, new bell housing, and hydro clutch kit from Novak
  • Using the MORE Bombproof motor mounts
I've read a ton of threads here and otherwise, so believe I have most of the basics down. I do have a few key fitment questions however:

  1. Hood clearance - is there enough room to mount an air gap intake manifold?
  2. Bracket and Pulleys - Was looking at CVF racing pulleys and alternator bracket. However they do not offer a power steering pulley it seems. What is the belt routing for my desired setup?
  3. Exhaust - Will the headerman 9200 series work with the Hydro slave cylinder? Based on what I've read to date this is questionable at best. I may have to pivot to the Patriot shorties.
  4. Radiator - Looking for suggestions here - want to run electric fans
Sure there will be more to come, but appreciate this as a start!


Thanks,
Steve

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post #2 of 32 Old 12-09-2019, 11:04 AM
Matt1981CJ7
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1. The Air Gap is only a 1/4" taller than the Performer that I'm using, so I think hood clearance will be fine. Of course, what carb, spacers/adaptors, and air cleaner you use will also affect hood clearance. I'm using a Q-jet with about 1" of spacers/adapters, and a factory air cleaner.

2. I can't help you with the CVF stuff. I'm using the Bulltear serpentine pulley kit, and alternator bracket.

3. No help here, either, sorry. I went with stock manifolds.

4. Same as #2 and #3, sorry. I went with a mechanical fan/clutch and Champion aluminum radiator. I have zero cooling problems.

I'm sure others will chime in, and hopefully be more help.

Matt
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post #3 of 32 Old 12-09-2019, 11:15 AM
Shawn Watson
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Matt, that side pic showing your fan/shroud/radiator would probably be helpful, if you've got it handy.


Shawn

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post #4 of 32 Old 12-09-2019, 11:21 AM
Matt1981CJ7
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Quote:
Originally Posted by Shawn Watson View Post
Matt, that side pic showing your fan/shroud/radiator would probably be helpful, if you've got it handy.


Shawn

This one?
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post #5 of 32 Old 12-09-2019, 11:25 AM
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Here's a pic that shows fan clutch/radiator clearance before I installed the shroud. I've got about 1-1/2" clearance.

Matt
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post #6 of 32 Old 12-09-2019, 11:32 AM
Shawn Watson
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Yeah, those. It doesn't get any better than that.


Shawn

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post #7 of 32 Old 12-09-2019, 12:11 PM Thread Starter
ElvisDaDog
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Shawn/Matt -

That is drool-worthy! Wow what a fantastic install - I have a lot to research to get it that clean. Thanks for taking the time, a few more questions then...


How much HP are you putting out with that motor? Just trying to see if I can get away with the same cooling system you are running.
What was your decision process to go wtih the serpentine belt ? Just trying to see what I didn't think through or take into account.



Thanks,
Steve
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post #8 of 32 Old 12-09-2019, 12:24 PM
Shawn Watson
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IMO, that setup should cool far greater than an electric fan/s and you don't have to listen to them cycle on and off all the stinkin' time. You can use a full-time freewheel clutch (nice and quiet), a light-duty that will cycle if it starts getting hot or a heavy-duty that you'll likely never get to disengage plus you'll have several different fans to really dial things in if you need to: 3 blade, 5 blade, psycho 7 blade, etc.


Shawn

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post #9 of 32 Old 12-09-2019, 01:03 PM
Matt1981CJ7
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Elvis,

My 360 pulled 325/360 Hp/Torque on the dyno, which was more than I expected, since I went with a pretty mild cam (Lunati 250/256). I probably could have squeaked a few more ponies out of it by doing some porting work, but that was a little beyond my skill set.

As for the serpentine setup, I liked the idea of only one belt, and the Bulltear kit was soooo damn sexy, I couldn't resist.

Feel free to ask as many questions as you need to. There's a wealth of knowledgeable and helpful folks on this forum.

Matt
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post #10 of 32 Old 12-10-2019, 02:19 PM
abark
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Matt, that is such a great looking build! I was just wondering where you found a shoe horn big enough to fit all that in there!
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post #11 of 32 Old 12-10-2019, 03:46 PM
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Quote:
Originally Posted by abark View Post
Matt, that is such a great looking build! I was just wondering where you found a shoe horn big enough to fit all that in there!
Thanks, it was a lot of fun, with some misery mixed in, but really wasn't a big deal. The 304 was offered in a CJ until 1981, IIRC. The 304 has the same exterior dimensions as the 360, and 401. So the space is there. You just need one different motor mount from the 258 on the passenger side, and 2-3 wires had to be extended on the 258 wiring harness, but that was simple. Otherwise, it was bolt up, plug and play.

An AMC V8 is by far the easiest swap for the I6 in a CJ. BTW, here's what I started with.

Matt
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post #12 of 32 Old 12-11-2019, 10:25 AM Thread Starter
ElvisDaDog
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Hell of an improvement.


Looking forward to an easy swap. My last swap was tossing a TDi into a Samurai - this one looks way easier with more room and less electronics =)


Right now the biggest issue I am having is not having a full engine to start with. So need to get all of the ancillaries like pulleys, brackets, etc. Shocking how expensive the power steering bracket is on eBay. Certainly going to do some junk yard crawling this weekend.
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post #13 of 32 Old 12-11-2019, 10:44 AM
Matt1981CJ7
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Yeah, the power steering bracket is a hard and expensive find.

I think you might be surprised how expensive the entire build will be. I know I was. Whatever you do, don't keep a running tally like I did.

Matt


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post #14 of 32 Old 12-11-2019, 11:03 AM
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I'd like to make a suggestion in regard to the hydraulic clutch setup. I would make a heat shield to protect the slave cylinder from exhaust heat. The biggest problem I hear with the hydraulic clutch setup is the o-rings failing in the slave cylinder and that is almost always due to heat and headers shed allot of heat in that area. I even wrapped the line running from the master to the slave cylinder with a heat shield sleeve.


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post #15 of 32 Old 12-11-2019, 01:26 PM
intheair
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Garage
I have a 360 V8 in 1977 Wagoneer along with other parts or whole vehicle for sale. It runs- It doesn’t look much bigger than my 304 V8 in 74 renegade.
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